2143454 has 8 divisors (see below), whose sum is σ = 3229248. Its totient is φ = 1067040.

The previous prime is 2143451. The next prime is 2143459. The reversal of 2143454 is 4543412.

2143454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (403656).

2^2143454 is an apocalyptic number.

2143454 is a deficient number, since it is larger than the sum of its proper divisors (1085794).

2143454 is a wasteful number, since it uses less digits than its factorization.

2143454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its digits is 1920, while the sum is 23.

The square root of 2143454 is about 1464.0539607542. The cubic root of 2143454 is about 128.9351676306.

Adding to 2143454 its reverse (4543412), we get a palindrome (6686866).

The spelling of 2143454 in words is "two million, one hundred forty-three thousand, four hundred fifty-four".